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Finding the Fourth Proportional to 502,288.90, 751,628.94 and 368,838.16

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Solution

The fourth proportional to 502,288.90, 751,628.94 and 368,838.16 is: 551,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,288.90 : 751,628.94 = 368,838.16 : x
  2. Step 2: Convert to fraction form
    502,288.90/751,628.94 = 368,838.16/x
  3. Step 3: Cross multiply
    502,288.90x = 751,628.94 × 368,838.16
  4. Step 4: Simplify right side
    502,288.90x = 277,229,435,232.35
  5. Step 5: Solve for x
    x = 277,229,435,232.35/502,288.90
  6. Step 6: Final answer
    x = 551,932.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.